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455 lines (394 loc) · 16.2 KB
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// Module dependencies
var express = require('express'),
when = require('when'),
_ = require('underscore'),
colors = require('colors'),
semver = require('semver'),
fs = require('fs'),
slashes = require('connect-slashes'),
errors = require('./server/errorHandling'),
admin = require('./server/controllers/admin'),
frontend = require('./server/controllers/frontend'),
api = require('./server/api'),
path = require('path'),
hbs = require('express-hbs'),
Ghost = require('./ghost'),
helpers = require('./server/helpers'),
middleware = require('./server/middleware'),
packageInfo = require('../package.json'),
// Variables
loading = when.defer(),
server = express(),
ghost = new Ghost();
// ##Custom Middleware
// ### Auth Middleware
// Authenticate a request by redirecting to login if not logged in.
// We strip /ghost/ out of the redirect parameter for neatness
function auth(req, res, next) {
if (!req.session.user) {
var path = req.path.replace(/^\/ghost\/?/gi, ''),
redirect = '',
msg;
if (path !== '') {
msg = {
type: 'error',
message: 'Please Sign In',
status: 'passive',
id: 'failedauth'
};
// let's only add the notification once
if (!_.contains(_.pluck(ghost.notifications, 'id'), 'failedauth')) {
ghost.notifications.push(msg);
}
redirect = '?r=' + encodeURIComponent(path);
}
return res.redirect('/ghost/signin/' + redirect);
}
next();
}
// Check if we're logged in, and if so, redirect people back to dashboard
// Login and signup forms in particular
function redirectToDashboard(req, res, next) {
if (req.session.user) {
return res.redirect('/ghost/');
}
next();
}
function redirectToSignup(req, res, next) {
api.users.browse().then(function (users) {
if (users.length === 0) {
return res.redirect('/ghost/signup/');
}
});
next();
}
// While we're here, let's clean up on aisle 5
// That being ghost.notifications, and let's remove the passives from there
// plus the local messages, as they have already been added at this point
// otherwise they'd appear one too many times
function cleanNotifications(req, res, next) {
ghost.notifications = _.reject(ghost.notifications, function (notification) {
return notification.status === 'passive';
});
next();
}
// ## AuthApi Middleware
// Authenticate a request to the API by responding with a 401 and json error details
function authAPI(req, res, next) {
if (!req.session.user) {
// TODO: standardize error format/codes/messages
res.json(401, { error: 'Please sign in' });
return;
}
next();
}
// ### GhostLocals Middleware
// Expose the standard locals that every external page should have available,
// separating between the theme and the admin
function ghostLocals(req, res, next) {
// Make sure we have a locals value.
res.locals = res.locals || {};
res.locals.version = packageInfo.version;
res.locals.path = req.path;
res.locals.csrfToken = req.session._csrf;
if (res.isAdmin) {
_.extend(res.locals, {
messages: ghost.notifications
});
api.users.read({id: req.session.user}).then(function (currentUser) {
_.extend(res.locals, {
currentUser: {
name: currentUser.name,
email: currentUser.email,
image: currentUser.image
}
});
next();
}).otherwise(function () {
next();
});
} else {
next();
}
}
// ### DisableCachedResult Middleware
// Disable any caching until it can be done properly
function disableCachedResult(req, res, next) {
res.set({
'Cache-Control': 'no-cache, must-revalidate',
'Expires': 'Sat, 26 Jul 1997 05:00:00 GMT'
});
next();
}
// ### whenEnabled Middleware
// Selectively use middleware
// From https://github.com/senchalabs/connect/issues/676#issuecomment-9569658
function whenEnabled(setting, fn) {
return function settingEnabled(req, res, next) {
if (server.enabled(setting)) {
fn(req, res, next);
} else {
next();
}
};
}
// ### InitViews Middleware
// Initialise Theme or Admin Views
function initViews(req, res, next) {
var hbsOptions;
if (!res.isAdmin) {
// self.globals is a hack til we have a better way of getting combined settings & config
hbsOptions = {templateOptions: {data: {blog: ghost.blogGlobals()}}};
if (ghost.themeDirectories[ghost.settings('activeTheme')].hasOwnProperty('partials')) {
// Check that the theme has a partials directory before trying to use it
hbsOptions.partialsDir = path.join(ghost.paths().activeTheme, 'partials');
}
server.engine('hbs', hbs.express3(hbsOptions));
server.set('views', ghost.paths().activeTheme);
} else {
server.engine('hbs', hbs.express3({partialsDir: ghost.paths().adminViews + 'partials'}));
server.set('views', ghost.paths().adminViews);
}
next();
}
// ### Activate Theme
// Helper for manageAdminAndTheme
function activateTheme() {
var stackLocation = _.indexOf(server.stack, _.find(server.stack, function (stackItem, key) {
return stackItem.route === '' && stackItem.handle.name === 'settingEnabled';
}));
// clear the view cache
server.cache = {};
server.disable(server.get('activeTheme'));
server.set('activeTheme', ghost.settings('activeTheme'));
server.enable(server.get('activeTheme'));
if (stackLocation) {
server.stack[stackLocation].handle = whenEnabled(server.get('activeTheme'), middleware.staticTheme(ghost));
}
}
// ### ManageAdminAndTheme Middleware
// Uses the URL to detect whether this response should be an admin response
// This is used to ensure the right content is served, and is not for security purposes
function manageAdminAndTheme(req, res, next) {
// TODO improve this regex
res.isAdmin = /(^\/ghost\/)/.test(req.url);
if (res.isAdmin) {
server.enable('admin');
server.disable(server.get('activeTheme'));
} else {
server.enable(server.get('activeTheme'));
server.disable('admin');
}
// Check if the theme changed
if (ghost.settings('activeTheme') !== server.get('activeTheme')) {
// Change theme
if (!ghost.themeDirectories.hasOwnProperty(ghost.settings('activeTheme'))) {
if (!res.isAdmin) {
// Throw an error if the theme is not available, but not on the admin UI
errors.logAndThrowError('The currently active theme ' + ghost.settings('activeTheme') + ' is missing.');
}
} else {
activateTheme();
}
}
next();
}
// Expose the promise we will resolve after our pre-loading
ghost.loaded = loading.promise;
when(ghost.init()).then(function () {
return helpers.loadCoreHelpers(ghost);
}).then(function () {
// ##Configuration
var >
// Logging configuration
if (server.get('env') !== 'development') {
server.use(express.logger());
} else {
server.use(express.logger('dev'));
}
// Favicon
server.use(express.favicon(__dirname + '/shared/favicon.ico'));
// return the correct mime type for woff filess
express['static'].mime.define({'application/font-woff': ['woff']});
// Shared static config
server.use('/shared', express['static'](path.join(__dirname, '/shared')));
server.use('/content/images', express['static'](path.join(__dirname, '/../content/images')));
// Serve our built scripts; can't use /scripts here because themes already are
server.use('/built/scripts', express['static'](path.join(__dirname, '/built/scripts'), {
// Put a maxAge of one year on built scripts
maxAge: oneYear
}));
// First determine whether we're serving admin or theme content
server.use(manageAdminAndTheme);
// Admin only config
server.use('/ghost', whenEnabled('admin', express['static'](path.join(__dirname, '/client/assets'))));
// Theme only config
server.use(whenEnabled(server.get('activeTheme'), middleware.staticTheme(ghost)));
// Add in all trailing slashes
server.use(slashes());
server.use(express.json());
server.use(express.urlencoded());
server.use('/ghost/upload/', express.multipart());
server.use('/ghost/upload/', express.multipart({uploadDir: __dirname + '/content/images'}));
server.use('/ghost/debug/db/import/', express.multipart());
// Session handling
// Pro tip: while in development mode cookieSession can be used
// to keep you logged in while restarting the server
server.use(express.cookieParser(ghost.dbHash));
server.use(express.cookieSession({ cookie : { maxAg
8000
e: 12 * 60 * 60 * 1000 }}));
//enable express csrf protection
server.use(express.csrf());
// local data
server.use(ghostLocals);
// So on every request we actually clean out reduntant passive notifications from the server side
server.use(cleanNotifications);
// set the view engine
server.set('view engine', 'hbs');
// Initialise the views
server.use(initViews);
// process the application routes
server.use(server.router);
// ### Error handling
// 404 Handler
server.use(errors.error404);
// 500 Handler
server.use(errors.error500);
// ## Routing
// ### API routes
/* TODO: auth should be public auth not user auth */
// #### Posts
server.get('/api/v0.1/posts', authAPI, disableCachedResult, api.requestHandler(api.posts.browse));
server.post('/api/v0.1/posts', authAPI, disableCachedResult, api.requestHandler(api.posts.add));
server.get('/api/v0.1/posts/:id', authAPI, disableCachedResult, api.requestHandler(api.posts.read));
server.put('/api/v0.1/posts/:id', authAPI, disableCachedResult, api.requestHandler(api.posts.edit));
server.del('/api/v0.1/posts/:id', authAPI, disableCachedResult, api.requestHandler(api.posts.destroy));
// #### Settings
server.get('/api/v0.1/settings/', authAPI, disableCachedResult, api.requestHandler(api.settings.browse));
server.get('/api/v0.1/settings/:key/', authAPI, disableCachedResult, api.requestHandler(api.settings.read));
server.put('/api/v0.1/settings/', authAPI, disableCachedResult, api.requestHandler(api.settings.edit));
// #### Users
server.get('/api/v0.1/users/', authAPI, disableCachedResult, api.requestHandler(api.users.browse));
server.get('/api/v0.1/users/:id/', authAPI, disableCachedResult, api.requestHandler(api.users.read));
server.put('/api/v0.1/users/:id/', authAPI, disableCachedResult, api.requestHandler(api.users.edit));
// #### Tags
server.get('/api/v0.1/tags/', authAPI, disableCachedResult, api.requestHandler(api.tags.all));
// #### Notifications
server.del('/api/v0.1/notifications/:id', authAPI, disableCachedResult, api.requestHandler(api.notifications.destroy));
server.post('/api/v0.1/notifications/', authAPI, disableCachedResult, api.requestHandler(api.notifications.add));
// ### Admin routes
/* TODO: put these somewhere in admin */
server.get(/^\/logout\/?$/, function redirect(req, res) {
res.redirect(301, '/signout/');
});
server.get(/^\/signout\/?$/, admin.logout);
server.get('/ghost/login/', function redirect(req, res) {
res.redirect(301, '/ghost/signin/');
});
server.get('/ghost/signin/', redirectToSignup, redirectToDashboard, admin.login);
server.get('/ghost/signup/', redirectToDashboard, admin.signup);
server.get('/ghost/forgotten/', redirectToDashboard, admin.forgotten);
server.post('/ghost/forgotten/', admin.resetPassword);
server.post('/ghost/signin/', admin.auth);
server.post('/ghost/signup/', admin.doRegister);
server.post('/ghost/changepw/', auth, admin.changepw);
server.get('/ghost/editor(/:id)/', auth, admin.editor);
server.get('/ghost/editor/', auth, admin.editor);
server.get('/ghost/content/', auth, admin.content);
server.get('/ghost/settings*', auth, admin.settings);
server.get('/ghost/debug/', auth, admin.debug.index);
server.get('/ghost/debug/db/export/', auth, admin.debug['export']);
server.post('/ghost/debug/db/import/', auth, admin.debug['import']);
// We don't want to register bodyParser globally b/c of security concerns, so use multipart only here
server.post('/ghost/upload/', auth, admin.uploader);
// redirect to /ghost and let that do the authentication to prevent redirects to /ghost//admin etc.
server.get(/^\/((ghost-admin|admin|wp-admin|dashboard|signin)\/?)/, function (req, res) {
res.redirect('/ghost/');
});
server.get(/^\/(ghost$\/?)/, auth, function (req, res) {
res.redirect('/ghost/');
});
server.get('/ghost/', redirectToSignup, auth, admin.index);
// ### Frontend routes
/* TODO: dynamic routing, homepage generator, filters ETC ETC */
server.get('/rss/', frontend.rss);
server.get('/rss/:page/', frontend.rss);
server.get('/page/:page/', frontend.homepage);
server.get('/:slug/', frontend.single);
server.get('/', frontend.homepage);
// Are we using sockets? Custom socket or the default?
function getSocket() {
if (ghost.config().server.hasOwnProperty('socket')) {
return _.isString(ghost.config().server.socket) ? ghost.config().server.socket : path.join(__dirname, '../content/', process.env.NODE_ENV + '.socket');
}
return false;
}
function startGhost() {
// Tell users if their node version is not supported, and exit
if (!semver.satisfies(process.versions.node, packageInfo.engines.node)) {
console.log(
"\nERROR: Unsupported version of Node".red,
"\nGhost needs Node version".red,
packageInfo.engines.node.yellow,
"you are using version".red,
process.versions.node.yellow,
"\nPlease go to http://nodejs.org to get the latest version".green
);
process.exit(0);
}
// Startup & Shutdown messages
if (process.env.NODE_ENV === 'production') {
console.log(
"Ghost is running...".green,
"\nYour blog is
65D2
now available on",
ghost.config().url,
"\nCtrl+C to shut down".grey
);
// ensure that Ghost exits correctly on Ctrl+C
process.on('SIGINT', function () {
console.log(
"\nGhost has shut down".red,
"\nYour blog is now offline"
);
process.exit(0);
});
} else {
console.log(
"Ghost is running...".green,
"\nListening on",
getSocket() || ghost.config().server.host + ':' + ghost.config().server.port,
"\nUrl configured as:",
ghost.config().url,
"\nCtrl+C to shut down".grey
);
// ensure that Ghost exits correctly on Ctrl+C
process.on('SIGINT', function () {
console.log(
"\nGhost has shutdown".red,
"\nGhost was running for",
Math.round(process.uptime()),
"seconds"
);
process.exit(0);
});
}
// Let everyone know we have finished loading
loading.resolve();
}
// ## Start Ghost App
if (getSocket()) {
// Make sure the socket is gone before trying to create another
fs.unlink(getSocket(), function (err) {
server.listen(
getSocket(),
startGhost
);
fs.chmod(getSocket(), '0744');
});
} else {
server.listen(
ghost.config().server.port,
ghost.config().server.host,
startGhost
);
}
}, errors.logAndThrowError);